/* ===== Tokens ===== */
:root {
  --page: #17110E;
  --card: #221A16;
  --text: #F3E9DC;
  --muted: #B3A596;
  --hairline: rgba(243, 233, 220, 0.14);
  --hairline-strong: rgba(243, 233, 220, 0.22);

  --finanzas: #D9822B;
  --economia: #E9D8A6;
  --tecnologia: #5FC2B0;

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', 'Segoe UI', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --space-section: clamp(3.5rem, 3rem + 3vw, 6rem);
  --duration-fast: 150ms;
  --duration-normal: 400ms;
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }

html {
  overflow-x: hidden;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--text);
  max-width: 100vw;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body.scroll-locked {
  position: fixed;
  width: 100%;
  overflow: hidden;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

p { margin: 0 0 1em; }

/* ===== Intro stage ===== */
#intro {
  position: relative;
  height: 72svh;
  min-height: 460px;
  background: radial-gradient(ellipse 140% 90% at 50% -10%, #2a1f18 0%, var(--page) 55%), var(--page);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.beam {
  position: absolute;
  top: -10%;
  left: 50%;
  width: 90%;
  height: 120%;
  transform: translateX(-50%);
  background: conic-gradient(from 180deg at 50% 0%,
      transparent 0deg, transparent 110deg,
      rgba(243, 233, 220, 0.10) 140deg,
      rgba(217, 130, 43, 0.14) 180deg,
      rgba(243, 233, 220, 0.10) 220deg,
      transparent 250deg, transparent 360deg);
  filter: blur(6px);
  pointer-events: none;
}

.floor-glow {
  position: absolute;
  bottom: 6%;
  left: 50%;
  width: 72%;
  height: 14%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(217, 130, 43, 0.35) 0%, rgba(217, 130, 43, 0.08) 55%, transparent 75%);
  filter: blur(4px);
  pointer-events: none;
}

.intro-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 1.5rem;
  transform: translateY(-6%);
}

.intro-logo {
  width: 66vw;
  max-width: 420px;
  opacity: 0;
  transform: translateY(14px);
  filter: drop-shadow(0 18px 40px rgba(0, 0, 0, 0.55)) drop-shadow(0 0 60px rgba(217, 130, 43, 0.18));
  animation: logoReveal 1.2s var(--ease-out-expo) 0.15s forwards;
}

@keyframes logoReveal {
  to { opacity: 1; transform: translateY(0); }
}

.intro-tagline {
  margin-top: 1.4rem;
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 500;
  font-size: clamp(1.05rem, 1rem + 0.6vw, 1.35rem);
  color: var(--text);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out-expo) 0.9s forwards;
}

.intro-cue {
  margin-top: 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease-out-expo) 1.1s forwards, bob 2.4s ease-in-out 2s infinite;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(4px); }
}

@media (prefers-reduced-motion: reduce) {
  .intro-logo, .intro-tagline, .intro-cue {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ===== Sticky top bar ===== */
#stickybar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  padding: 0.65rem 1.1rem 0.8rem;
  background: rgba(23, 17, 14, 0.86);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(-100%);
  transition: opacity var(--duration-normal) var(--ease-out-expo), transform var(--duration-normal) var(--ease-out-expo);
  pointer-events: none;
}

#stickybar.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

#stickybar img {
  height: 26px;
  width: auto;
}

.progress-track {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: var(--hairline);
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--finanzas), var(--economia), var(--tecnologia));
}

/* ===== Feed layout ===== */
#feed {
  max-width: 560px;
  margin: 0 auto;
  padding: 0 1.1rem;
}

.intro-copy {
  padding: 2.2rem 0.4rem 1.2rem;
  text-align: center;
}

.intro-copy p {
  font-family: var(--font-serif);
  font-size: clamp(1.05rem, 1rem + 0.5vw, 1.2rem);
  line-height: 1.55;
  color: var(--muted);
  margin: 0;
}

.section {
  margin-top: var(--space-section);
}

.section-header {
  position: relative;
  text-align: center;
  padding: 2.2rem 0 1.6rem;
  margin-bottom: 1.6rem;
}

.section-header::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  width: 90%;
  max-width: 420px;
  height: 160%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, var(--glow-color, var(--finanzas)) 0%, transparent 68%);
  opacity: 0.22;
  filter: blur(14px);
  pointer-events: none;
  z-index: 0;
}

.section[data-section="finanzas"] .section-header { --glow-color: var(--finanzas); }
.section[data-section="economia"] .section-header { --glow-color: var(--economia); }
.section[data-section="tecnologia"] .section-header { --glow-color: var(--tecnologia); }

.section-kicker {
  position: relative;
  z-index: 1;
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.95rem;
  color: var(--muted);
  margin-bottom: 0.35rem;
}

.section-title {
  position: relative;
  z-index: 1;
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(2.4rem, 2rem + 3vw, 3.4rem);
  margin: 0;
  color: var(--text);
}

.section[data-section="finanzas"] .section-title { color: var(--finanzas); }
.section[data-section="economia"] .section-title { color: var(--economia); }
.section[data-section="tecnologia"] .section-title { color: var(--tecnologia); }

.section-rule {
  position: relative;
  z-index: 1;
  margin: 0.9rem auto 0;
  width: 56%;
  max-width: 220px;
  height: 1px;
  background: var(--glow-color, var(--hairline-strong));
  opacity: 0.6;
}

.section-rule .diamond {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 7px;
  height: 7px;
  background: var(--glow-color, var(--text));
  transform: translate(-50%, -50%) rotate(45deg);
}

.cards {
  display: flex;
  flex-direction: column;
  gap: 2.6rem;
}

/* ===== Reveal-on-scroll ===== */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
}

/* ===== Card base ===== */
.card { cursor: pointer; }

.card-leer-mas {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
}

.card-leer-mas svg { flex-shrink: 0; }

/* ===== Finanzas: gallery frame ===== */
.card-finanzas .frame {
  width: 84%;
  margin: 0 auto;
  padding: 10px;
  background: var(--card);
  border: 1px solid rgba(217, 130, 43, 0.5);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.3), 0 14px 30px rgba(0, 0, 0, 0.35);
}

.card-finanzas .frame-img-wrap {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: #130e0b;
}

.card-finanzas .frame-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.card-finanzas .frame-img-wrap img.loaded { opacity: 1; }

.card-finanzas .plaque {
  width: 84%;
  margin: 0.9rem auto 0;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--hairline);
  padding: 1.1rem 1.1rem 1.2rem;
}

.card-finanzas .plaque-number {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--finanzas);
  margin-bottom: 0.55rem;
  display: block;
}

.card-finanzas .plaque-headline {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.28;
  margin-bottom: 0.6rem;
}

.card-finanzas .plaque-preview {
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.55;
  margin-bottom: 0.9rem;
}

.card-finanzas .card-leer-mas { color: var(--finanzas); }

/* ===== Economía: film frame ===== */
.card-economia .filmstrip {
  position: relative;
  background: #0f0b09;
  padding: 10px 0;
}

.sprockets {
  height: 10px;
  background-image: radial-gradient(circle, var(--page) 2.4px, transparent 2.6px);
  background-size: 22px 10px;
  background-position: 6px center;
  background-color: #0f0b09;
}

.card-economia .film-img-wrap {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.card-economia .film-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.card-economia .film-img-wrap img.loaded { opacity: 1; }

.card-economia .film-meta {
  padding: 0.9rem 0.15rem 0 0.15rem;
}

.card-economia .frame-counter {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--economia);
  display: block;
  margin-bottom: 0.5rem;
}

.card-economia .film-headline {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.28;
  margin-bottom: 0.55rem;
}

.card-economia .film-preview {
  color: var(--muted);
  font-size: 0.87rem;
  line-height: 1.6;
  font-style: italic;
  margin-bottom: 1rem;
}

.card-economia .btn-outline {
  display: inline-block;
  border: 1px solid var(--economia);
  color: var(--economia);
  padding: 0.5em 1.1em;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
}

/* ===== Tecnología: technical sheet ===== */
.card-tecnologia .sheet {
  border: 1px solid rgba(95, 194, 176, 0.45);
  padding: 0.9rem 0.9rem 1.1rem;
  background: rgba(95, 194, 176, 0.03);
}

.card-tecnologia .crop-wrap {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: #0d1413;
}

.card-tecnologia .crop-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.card-tecnologia .crop-wrap img.loaded { opacity: 1; }

.crop-mark {
  position: absolute;
  width: 16px;
  height: 16px;
  border-color: var(--tecnologia);
  border-style: solid;
  border-width: 0;
  opacity: 0.85;
}

.crop-mark.tl { top: 6px; left: 6px; border-top-width: 2px; border-left-width: 2px; }
.crop-mark.tr { top: 6px; right: 6px; border-top-width: 2px; border-right-width: 2px; }
.crop-mark.bl { bottom: 6px; left: 6px; border-bottom-width: 2px; border-left-width: 2px; }
.crop-mark.br { bottom: 6px; right: 6px; border-bottom-width: 2px; border-right-width: 2px; }

.dim-ticks {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 8px;
  background-image: repeating-linear-gradient(90deg, rgba(95, 194, 176, 0.55) 0 1px, transparent 1px 10px);
  opacity: 0.6;
}

.card-tecnologia .spec-row {
  display: flex;
  gap: 1rem;
  margin: 0.85rem 0 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--tecnologia);
}

.card-tecnologia .sheet-headline {
  font-family: var(--font-serif);
  font-size: 1.3rem;
  font-weight: 600;
  line-height: 1.28;
  margin-bottom: 0.55rem;
}

.card-tecnologia .sheet-preview {
  color: var(--muted);
  font-size: 0.89rem;
  line-height: 1.55;
  margin-bottom: 0.9rem;
}

.card-tecnologia .card-leer-mas { color: var(--tecnologia); }

/* ===== Footer ===== */
#footer {
  margin-top: var(--space-section);
  padding: 2.4rem 0 3rem;
  text-align: center;
  border-top: 1px solid var(--hairline);
}

.footer-logo { height: 30px; margin: 0 auto 1rem; opacity: 0.9; }

.footer-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.footer-email {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text);
  border-bottom: 1px solid var(--hairline-strong);
  padding-bottom: 2px;
}

/* ===== Overlay ===== */
#overlay {
  position: fixed;
  inset: 0;
  background: var(--page);
  z-index: 200;
  transform: translateY(100%);
  transition: transform var(--duration-normal) var(--ease-out-expo);
  overflow: hidden;
}

#overlay.open { transform: translateY(0); }

#overlayScroll {
  height: 100%;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

#overlayClose {
  position: fixed;
  top: max(1rem, env(safe-area-inset-top));
  right: 1rem;
  z-index: 210;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  border: 1px solid var(--hairline-strong);
  background: rgba(34, 26, 22, 0.75);
  backdrop-filter: blur(8px);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
}

.overlay-hero {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #130e0b;
}

.overlay-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}

.overlay-body {
  max-width: 560px;
  margin: 0 auto;
  padding: 1.6rem 1.3rem 4rem;
}

.overlay-pill {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.3em 0.75em;
  border: 1px solid currentColor;
  margin-bottom: 1rem;
}

#overlayHeadline {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: clamp(1.7rem, 1.5rem + 1.5vw, 2.3rem);
  line-height: 1.2;
  margin: 0 0 0.6rem;
}

.overlay-meta {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--muted);
  margin-bottom: 1.6rem;
}

.overlay-text p {
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  margin-bottom: 1.1em;
}

/* ===== Small screens ===== */
@media (max-width: 360px) {
  .intro-logo { width: 72vw; }
}